package com.bw.mapper.impl;

import com.bw.entity.Book;
import com.bw.mapper.BookMapper;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Controller;
import org.springframework.stereotype.Repository;
import org.springframework.stereotype.Service;

//@Repository
public class BookMapperImpl3 implements BookMapper {



    @Override
    public void addBook(Book book) {
        System.out.println("BookMapperImpl3 开始执行  addBook");
    }
}
